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From Prototype SU(5) to Realistic SU(7) SUSY GUT

J. L. Chkareuli, C. D. Froggatt, I. G. Gogoladze, A. B. Kobakhidze

hep-pharXiv:hep-ph/0003007

Abstract

We construct a realistic SU(7) model which provides answers to many questions presently facing the prototype SU(5) SUSY GUT. Among them are a solution to the doublet-triplet splitting problem, string scale unification, proton decay, the hierarchy of baryon vs lepton number violation and neutrino masses.

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